App Dev Worksheet: Part 2 Test

App development lesson 16: Designing apps: Part 2 test · Set 182 · 40 questions

Developer's tip (Think like the user): First decide which topic the question is about. Use that lesson’s rule: 48 px buttons, 16 px text, the screen stack, the flow order. For code, count positions from 0.

1. 1.💾 Where should the app save a draft you are typing: on the phone or in the cloud? (a) on the phone (b) in the cloud
2. 2.🔢 In a photo-post flow, which comes LAST? (a) post the photo (b) take the photo (c) add a filter (d) write a caption
3. 3.Which of these fits saving on the phone? (a) a shared to-do list (b) chat messages to friends (c) notes to read offline (d) photos on two devices
4. 4.🔢 In a photo-post flow, which comes first: “open the camera screen” or “write a caption”? (a) open the camera screen (b) write a caption
5. 5.🔍 Which is the odd one out? (a) whether users get lost (b) the font size (c) how users feel after (d) how easy sign-up is
6. 6.🔀 What is a user flow? (a) the path through screens (b) a colour theme (c) a type of font (d) a charging cable
7. 7.🔘 Our rule: buttons are at least 48 px tall. The Send button is 20 px tall. How many px taller must it be?
8. 8.🔢 In a quiz-app flow, which comes LAST? (a) see the final score (b) tap “Start quiz” (c) see if it is right (d) read a question
9. 9.Which of these is true of a wireframe? (a) uses plain grey boxes (b) uses the final pictures (c) shows the real fonts (d) has the real colours
10. 10.🔘 Our rule: buttons are at least 48 px tall. How many of these buttons follow the rule?
    Start button: 60 px tall
    Next button: 36 px tall
    Done button: 60 px tall
11. 11.🔢 In a sign-up flow, which comes LAST? (a) tap “Sign up” (b) enter the code sent (c) see the home screen (d) type name and email
12. 12.Which of these fits saving in the cloud? (a) your last game level (b) a class leaderboard (c) notes to read offline (d) a draft you are typing
13. 13.Which of these is about UX (the experience)? (a) how users feel after (b) the theme colours (c) the button colours (d) the icon shapes
14. 14.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Item → Menu → Pay → Shop
    Design B: Home → Pay → Results → Menu → Confirm → Item
15. 15.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) switches main sections (d) opens a list of pages
16. 16.🖼️ How many parts (boxes) does this wireframe have?
    [ big picture ]
    [ filter buttons ]
    [ search box ]
    [ tab bar ]
    [ title text ]
17. 17.🔘 Our rule: buttons are at least 48 px tall. The Send button is 44 px tall. How many px taller must it be?
18. 18.🎨 Is this about UI or UX: whether users get lost? (a) UX (b) UI
19. 19.💾 What number does this code show?
    let notes = ["Science", "Art", "Hindi", "Music"];
    notes.push("Maths");
    show(notes.length);
20. 20.🔢 In a photo-post flow, which comes first: “open the camera screen” or “take the photo”? (a) open the camera screen (b) take the photo
21. 21.🔢 In a food-order flow, what comes right after “pick a dish”? (a) add it to the cart (b) track the order (c) open the menu (d) check the cart
22. 22.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
23. 23.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) undoes one move (c) switches main sections (d) opens a list of pages
24. 24.👆 Two designs for the same task (each arrow is one tap). How many taps does the shorter design save?
    Design A: Home → Results → Cart → Pay → Size
    Design B: Home → Shop → Pens → Pay → Offers → Search
25. 25.Which of these fits saving in the cloud? (a) the sound on/off setting (b) a draft you are typing (c) chat messages to friends (d) notes to read offline
26. 26.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ search box ]
    [ filter buttons ]
    [ Add button ]
    [ tab bar ] (a) filter buttons (b) Add button (c) search box (d) tab bar
27. 27.🔘 Our rule: buttons are at least 48 px tall. The Done button is 24 px tall. How many px taller must it be?
28. 28.🌗 Is light grey on white easy or hard to read on a button? (a) easy to read (b) hard to read
29. 29.♿ A screen has 5 icon buttons. Only 3 of them have a text label for screen readers. How many still need a label?
30. 30.👆 Two designs for the same task (each arrow is one tap). Which needs FEWER taps?
    Design A: Home → Item → Pens → Search → Shop → Pay
    Design B: Home → Size → Shop → Menu (a) Design B (b) Design A
31. 31.💾 What does this code show? (Positions start at 0.)
    let notes = ["Science", "Art", "Music"];
    show(notes[0]); (a) Art (b) Science (c) Music
32. 32.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Title: 18 px
    Body text: 12 px
    Caption: 21 px
33. 33.🔘 Is this good or poor button design: a tiny 20 px button? (a) poor design (b) good design
34. 34.🖼️ In this wireframe (top to bottom), which part is at the very bottom?
    [ menu icon ]
    [ search box ]
    [ top bar ]
    [ Save button ]
    [ list of items ]
    [ title text ] (a) title text (b) menu icon (c) search box (d) top bar
35. 35.♿ A screen has 7 icon buttons. Only 6 of them have a text label for screen readers. How many still need a label?
36. 36.👆 Two designs for the same task (each arrow is one tap). How many taps does Design A need?
    Design A: Home → Cart → Pens → Search
    Design B: Home → Shop → Menu → Cart → Pay → Offers → Results
37. 37.🌗 Is black on yellow easy or hard to read on a button? (a) hard to read (b) easy to read
38. 38.♿ Our rule: text is at least 16 px. How many texts on this screen are too small?
    Caption: 15 px
    Footer: 13 px
    Body text: 23 px
39. 39.True or false: “fast-flashing lights” helps everyone use the app. (a) True (b) False
40. 40.Which of these is about UI (the look)? (a) how fast a task is done (b) how easy sign-up is (c) the button colours (d) how many taps it takes

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students